>4mapB (B:) observed residues (from ATOM records)
gvftfedeitstvppaklynamkdadsitpkiiddvksveivegnggpgtikkltivedg
etkfilhkvesideanyaynysvvggvalpptaekitfetklvegpnggsigkltlkyht
kgdakpdeeelkkgkakgeglfraiegyvlanptqy